When he walks_______ my desk,he knocked my books________ the desk.
Which drink do you like ____________, coffee or tea?
We had a hard time ____________ the basketball match, but finally we made it.
--- ____________ does your father go to work? --- Five times a week.
He plays ____________ piano every day to become the champion of his country.
It is impossible___________ so much work in an hour. A. finish B. to finish C. finishing